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      <subfield code="a">Espinosa Luna, Rafael</subfield>
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      <subfield code="a">Atondo Rubio, Gelacio</subfield>
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      <subfield code="a">Hinojosa Ruiz, Sinhué Lizandro</subfield>
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      <subfield code="a">Bernabeu Martínez, Eusebio</subfield>
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      <subfield code="a">A simple depolarization criterion for light is proposed. This criterion is based on the depolarization part derived from the degree of polarization formulation. Some reported Mueller matrices are employed to test its reliability and usefulness. Results prove that the criterion proposed can be employed as the first step to test the physical consistency of Mueller matrices.</subfield>
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      <subfield code="a">A simple depolarization criterion for light</subfield>
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